CN115765264A - Contact pin structure for micro motor and assembling method thereof - Google Patents
Contact pin structure for micro motor and assembling method thereof Download PDFInfo
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- CN115765264A CN115765264A CN202211390550.XA CN202211390550A CN115765264A CN 115765264 A CN115765264 A CN 115765264A CN 202211390550 A CN202211390550 A CN 202211390550A CN 115765264 A CN115765264 A CN 115765264A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 198
- 238000003780 insertion Methods 0.000 claims abstract description 45
- 230000037431 insertion Effects 0.000 claims abstract description 45
- 238000005452 bending Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 12
- 210000003298 dental enamel Anatomy 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000007306 turnover Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The invention discloses a contact pin structure for a micromotor, which comprises a T-shaped structure consisting of an insertion section, a winding section and an electric connection section, wherein when the wire is loosened, the electric connection section is pressed to further insert the insertion section into an insertion hole, so that the problems that the wire loosening effect is not ideal and the process is complex because the winding section is bent to loosen the wire in the prior art are solved, and the contact pin structure has the characteristics of simple structural design, low manufacturing process cost, convenience in assembly and use and good wire loosening effect; in addition, the winding section is formed by a winding lower section and a winding upper section which is bent and circuitous relative to the winding lower section, and has the advantages of high structural strength and stable structure. The invention also discloses an assembly method of the micro-motor contact pin, which has the advantages of convenient assembly and good wire loosening effect.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a contact pin structure for a micro motor and an assembly method thereof.
[ background of the invention ]
The motor is an important basic product widely applied in the field of automation, and the small-sized motor is divided into a motor with a lead and a motor without a lead according to different connection modes of the lead. A leaded motor refers to a motor in which the leads are directly connected to respective terminals to provide current to the stator windings of the motor, a so-called direct connection. The leadless motor is only provided with a connector port, and the leads are connected with the motor through a matching interface as a separate part, namely a so-called indirect connection mode.
Both the above-described leaded motor solutions and the above-described leadless motor solutions require the use of contact pins, which are connected to the coil former for winding with the respective winding enamelled wires. The general insertion pin is in a straight-line structure before assembly, and after complete assembly, the insertion pin is correspondingly completely in a Z-shape or U-shape so as to achieve the purpose of loosening the wire. However, in practice, the straight-line-shaped contact pin cannot be effectively loosened after being bent in the assembling process, so that the enameled wire is still tightened, has a large tension effect and is easy to break, and therefore a large number of defective enameled wire breakage products occur in the production process, and the motor fails.
In addition, as shown in fig. 9, the existing pin is usually formed by punching a plate material, which has a drawback of high cost.
Therefore, the present invention has been made in view of the above problems.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art, and provides a contact pin structure for a micromotor and an assembly method thereof, which can solve the problems in the prior art, and the contact pin structure has the characteristics of simplicity, practicability and convenience for processing and manufacturing; in addition, the assembly method of the plug-in structure is adopted, the assembly steps are simple and convenient, and the assembly method has the characteristics of high assembly efficiency and stable product quality.
The invention is realized by the following technical scheme:
a contact pin structure for a micro motor comprises an insertion section 1, a winding section 2 and an electric connection section 3, wherein the insertion section 1, the winding section 2 and the electric connection section 3 are positioned on the same plane, and the central axis of the insertion section 1 and the central axis of the electric connection section 3 are positioned on the same axis or arranged in parallel; the winding section 2 comprises a winding lower section 21 and a winding upper section 22 which is connected with the winding lower section 21 and is bent and circuitous relative to the winding lower section 21, the connection end of the winding lower section 21 is connected with the upper end of the plug-in section 1, the winding lower section 21 is bent relative to the plug-in section 1, the connection end of the winding upper section 22 is connected with the lower end of the electric connection section 3, and the winding upper section 22 is bent relative to the electric connection section 3.
In the pin structure for the micro-motor, the opposite surfaces of the lower winding section 21 and the upper winding section 22 are abutted against each other.
According to the contact pin structure for the micro motor, the included angle between the winding lower section 21 and the insertion section 1 is alpha, and alpha is more than 0 and less than or equal to 90 degrees; the included angle between the winding upper section 22 and the electric connection section 3 is beta, and the beta is more than or equal to 90 degrees and less than 180 degrees.
As described above, in the pin structure for a micro-motor, the winding lower section 21 and the insertion section 1 are integrally formed, the winding upper section 22 and the electrical connection section 3 are integrally formed, and the winding lower section 21 and the winding upper section 22 are integrally formed.
As described above, in the pin structure for a micro-motor, the winding segment 2 is provided with the limiting portion 220 for limiting the movement of the enamel wire when the enamel wire is wound on the winding segment 2.
As described above, the lower winding segment 21 includes the lower winding root 211 and the lower winding tail 213 connected to the upper end of the plug segment 1, and a lower winding transition portion 212 is disposed between the lower winding root 211 and the lower winding tail 213 for connecting the two; the winding upper section 22 includes a winding upper root 221 connected to the lower end of the electrical connection section 3 and opposite to the winding lower root 211, and a winding upper tail 223 opposite to the winding lower tail 213 and connected to the winding lower tail 213, and an winding upper transition portion 222 for connecting the winding upper root 221 and the winding upper tail 223 is provided therebetween.
As described above, in the pin structure for a micro-motor, the winding lower root portion 211 and the winding lower tail portion 213 are both disposed parallel to the horizontal plane, and the winding lower transition portion 212 is disposed inclined to the horizontal plane.
In the pin structure for the micro-machine, the winding lower transition portion 212 is inclined from the winding lower root portion 211 to the winding lower tail portion 213.
In the pin structure for the micro-motor, the end of the insertion section 1 and/or the end of the electrical connection section 3 are/is provided with a chamfer.
The invention also provides an assembling method of the micro-motor contact pin, which adopts the contact pin structure and comprises the following steps:
a. straightening and cutting off a wire coil according to the length of a prefabricated contact pin to obtain a vertical wire section, wherein the lower part of the wire section is an insertion section 1, the middle part of the wire section is a winding section 2, and the upper part of the wire section is a winding section 3;
b. pre-inserting the insertion section 1 of the wire section into the insertion hole 110 on the winding frame 100, and reserving a wire loosening distance L;
c. bending the middle part of the wire section relative to the insertion section 1 to form a lower winding section 21, then bending the middle part of the wire section relative to the lower winding section 21 to form an upper winding section 22, and then bending the upper part of the wire section relative to the upper winding section 22 to form an electric connection section 3, so that the central axis of the electric connection section 3 is on the same axis as or parallel to the central axis of the insertion section 1;
d. winding an enameled wire on each winding section 2, and carrying out tin immersion treatment;
e. each plug section 1 is further inserted into the plug hole 110 of the bobbin 100 for releasing the thread.
Compared with the prior art, the invention has the following advantages:
1. the contact pin structure comprises a T-shaped structure consisting of the insertion section, the winding section and the electric connection section, when the wire is loosened, the electric connection section is pressed to enable the insertion section to be further inserted into the insertion hole, the problems that the wire loosening effect cannot be achieved due to the fact that the winding section is bent to loosen the wire in the prior art and the process is complex are solved, and the contact pin structure has the advantages of being simple in structural design, low in manufacturing process cost, convenient to assemble and use and good in wire loosening effect; in addition, the winding section is formed by a winding lower section and a winding upper section which is bent and circuitous relative to the winding lower section, and has the advantages of high structural strength and stable structure.
2. In order to further improve the structural strength of the winding section, the opposite surfaces of the lower winding section and the upper winding section are abutted and attached to each other.
3. In order to ensure the integral mechanical strength of the pin structure and according to the manufacturing process and the cost, the lower winding section and the insertion section are integrally formed, the upper winding section and the electric connection section are integrally formed, and the lower winding section and the upper winding section are integrally formed.
4. The winding section is provided with a limiting part for limiting the movement of the enameled wire when the enameled wire is wound on the winding section, so that the phenomena of shaking, dislocation, deviation and the like of the enameled wire relative to the winding section can be avoided, and the stability of the enameled wire relative to the winding section is ensured.
5. In order to facilitate the insertion and positioning, the end part of the insertion section and/or the electric connection section is provided with a chamfer.
6. According to the assembling method of the contact pin, the contact pin structure is formed by bending the wire section inserted in the insertion hole of the coil framework on line, so that the conventional mode that a wire dividing body punches or purchases a finished contact pin is avoided, and the process of intermediate turnover and transportation exists no matter the wire dividing body punches or purchases the finished contact pin, so that the contact pin is easy to deform or damage, and the assembling efficiency and quality are influenced; therefore, the assembly method has no turnover problem, and has the characteristics of high production and assembly efficiency, labor cost saving and process simplification; in addition, the wire loosening device has the advantages of convenience in assembly and good wire loosening effect.
[ description of the drawings ]
Embodiments of the invention will be described in further detail below with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of a pin configuration of the present invention.
Fig. 2 is a side view of the pin structure of the present invention.
Fig. 3 is a schematic structural diagram of the pin structure of the present invention inserted into the coil bobbin.
Fig. 4 is a second schematic structural view of the pin structure of the present invention inserted into the coil bobbin.
Fig. 5 is a cross-sectional view of the pin structure of the present invention inserted into the coil bobbin.
Fig. 6 is a second cross-sectional view of the pin structure of the present invention inserted into the coil bobbin.
Fig. 7 is a perspective view of the bobbin of the present invention when connected to a leadless junction box.
Fig. 8 is a cross-sectional view of the bobbin of the present invention when connected to a leadless junction box.
Fig. 9 is a perspective view of a prior art pin configuration.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 9.
As shown in fig. 1-6, the contact pin structure for a micro-motor of the present invention includes an insertion section 1, a winding section 2 and an electrical connection section 3, wherein the insertion section 1, the winding section 2 and the electrical connection section 3 are located on the same plane, and the central axis of the insertion section 1 and the central axis of the electrical connection section 3 are located on the same axis or are arranged in parallel; the winding section 2 comprises a winding lower section 21 and a winding upper section 22 which is connected with the winding lower section 21 and is bent and circuitous relative to the winding lower section 21, the connection end of the winding lower section 21 is connected with the upper end of the plug-in section 1, the winding lower section 21 is bent relative to the plug-in section 1, the connection end of the winding upper section 22 is connected with the lower end of the electric connection section 3, and the winding upper section 22 is bent relative to the electric connection section 3. The contact pin structure comprises a T-shaped structure consisting of the insertion section, the winding section and the electric connection section, when the wire is loosened, the electric connection section is pressed to enable the insertion section to be further inserted into the insertion hole, the problems that the wire loosening effect cannot be achieved due to the fact that the winding section is bent to loosen the wire in the prior art and the process is complex are solved, and the contact pin structure has the advantages of being simple in structural design, low in manufacturing process cost, convenient to assemble and use and good in wire loosening effect; in addition, the winding section is formed by a winding lower section and a winding upper section which is bent and circuitous relative to the winding lower section, and has the advantages of high structural strength and stable structure.
In order to further improve the structural strength of the winding section, the facing surfaces of the winding lower section 21 and the winding upper section 22 abut against each other.
Preferably, the included angle between the winding lower section 21 and the splicing section 1 is alpha, and alpha is more than 0 and less than or equal to 90 degrees; the included angle between the winding upper section 22 and the electric connection section 3 is beta, and the beta is more than or equal to 90 degrees and less than 180 degrees. In the present embodiment, an included angle α between the winding lower section 21 and the insertion section 1 is 90 °, an included angle β between the winding upper section 22 and the electrical connection section 3 is 90 °, and structural strength between the winding section and the insertion section and the electrical connection section is ensured.
In order to ensure the mechanical strength of the whole pin structure and according to the manufacturing process and cost, the winding lower section 21 and the insertion section 1 are integrally formed, the winding upper section 22 and the electric connection section 3 are integrally formed, and the winding lower section 21 and the winding upper section 22 are integrally formed. In this embodiment, the pin structure is formed by bending a vertical wire, such as a copper wire, so that the cost is saved and the conductive effect is good.
Be equipped with on winding section 2 and be used for restricting the spacing portion 220 that the enameled wire removed when the enameled wire twines on winding section 2, can avoid appearing the relative winding section of enameled wire and rock, phenomenon such as dislocation skew, guarantee that the relative winding section of enameled wire is stable, can avoid producing the phenomenon of taking off the line behind seven precious line winding in addition, ensure product quality. In this embodiment, the limiting portion 220 is a limiting arc surface provided on the winding upper section 22, as shown in fig. 1 to 6.
Further, the winding lower section 21 includes a winding lower root 211 and a winding lower tail 213 connected to the upper end of the plug section 1, and a winding lower transition portion 212 for connecting the winding lower root 211 and the winding lower tail 213 is disposed therebetween; the winding upper section 22 includes a winding upper root 221 connected to the lower end of the electrical connection section 3 and opposite to the winding lower root 211, and a winding upper tail 223 opposite to the winding lower tail 213 and connected to the winding lower tail 213, and a winding upper transition portion 222 for connecting the winding upper root 221 and the winding upper tail 223 is provided therebetween.
Further, the winding wire lower root portion 211 and the winding wire lower tail portion 213 are arranged in parallel with the horizontal plane, and the winding wire lower transition portion 212 is arranged in an inclined manner with respect to the horizontal plane.
Further, the winding lower transition portion 212 is disposed in an inclined manner from the winding lower root portion 211 to the winding lower tail portion 213.
For convenient plugging and positioning, the end part of the plugging section 1 and/or the electric connection section 3 is provided with a chamfer.
As shown in fig. 7 and 8, the coil bobbin 100 is connected with a leadless terminal box 200, the leadless terminal box 200 is provided with a plugging hole slot 210 which can allow the power supply connection section 3 to extend into and be used for plugging an external connection terminal and correspondingly electrically connected with the power connection section 3, so that the power connection section and the external connection terminal can be connected more firmly and quickly, and the problems of infirm welding and low connection efficiency existing in the prior art due to the connection of the power connection section and the external connection terminal through a welding mode are solved.
The invention relates to an assembling mode of a micro-motor pin, which adopts the pin structure and comprises the following steps:
a. straightening and cutting off a wire coil according to the length of a prefabricated contact pin to obtain a vertical wire section, wherein the lower part of the wire section is an insertion section 1, the middle part of the wire section is a winding section 2, and the upper part of the wire section is a winding section 3;
b. as shown in fig. 5, the insertion section 1 of the wire segment is inserted into the insertion hole 110 of the winding frame 100, and a wire releasing distance L is reserved;
c. bending the middle part of the wire section relative to the insertion section 1 to form a lower winding section 21, then bending the middle part of the wire section relative to the lower winding section 21 to form an upper winding section 22, and then bending the upper part of the wire section relative to the upper winding section 22 to form an electric connection section 3, so that the central axis of the electric connection section 3 is on the same axis as or parallel to the central axis of the insertion section 1;
d. winding an enameled wire on each winding section 2, and carrying out tin immersion treatment;
e. as shown in fig. 6, each plug section 1 is further inserted into the plug hole 110 of the bobbin 100 for releasing the thread. According to the assembling method of the contact pin, the contact pin structure is formed by bending the wire section inserted in the insertion hole of the coil framework on line, so that the conventional mode that a wire dividing body punches or purchases a finished contact pin is avoided, and the process of intermediate turnover and transportation exists no matter the wire dividing body punches or purchases the finished contact pin, so that the contact pin is easy to deform or damage, and the assembling efficiency and quality are influenced; therefore, the assembly method has no turnover problem, so that the assembly method has the characteristics of high production and assembly efficiency, labor cost saving and process simplification; still have the convenient and effectual advantage of pine line of assembly in addition.
Claims (10)
1. A contact pin structure for a micro motor is characterized by comprising an insertion section (1), a winding section (2) and an electric connection section (3), wherein the insertion section (1), the winding section (2) and the electric connection section (3) are positioned on the same plane, and the central axis of the insertion section (1) and the central axis of the electric connection section (3) are positioned on the same axis or are arranged in parallel; the winding section (2) comprises a winding lower section (21) and a winding upper section (22) which is connected with the winding lower section (21) and is bent and circuitous relative to the winding lower section (21), the connecting end of the winding lower section (21) is connected with the upper end of the plug-in section (1), the winding lower section (21) is bent relative to the plug-in section (1), the connecting end of the winding upper section (22) is connected with the lower end of the electric connection section (3), and the winding upper section (22) is bent relative to the electric connection section (3).
2. The pin structure for a micro-machine according to claim 1, wherein the facing surfaces of the lower winding wire section (21) and the upper winding wire section (22) abut against each other.
3. The contact pin structure for the micro-motor according to claim 1, wherein an included angle between the winding lower section (21) and the plug-in section (1) is α, and α is more than 0 and less than or equal to 90 degrees; the included angle between the winding upper section (22) and the electric connection section (3) is beta, and the included angle is more than or equal to 90 degrees and less than 180 degrees.
4. The pin structure of claim 1, wherein the lower winding section (21) is integrally formed with the plug section (1), the upper winding section (22) is integrally formed with the electrical connection section (3), and the lower winding section (21) is integrally formed with the upper winding section (22).
5. The pin structure for a micro-motor according to claim 1, wherein the winding segment (2) is provided with a stopper (220) for restricting movement of the enamel wire when the enamel wire is wound around the winding segment (2).
6. The pin structure for the micro-motor according to any one of claims 1-5, wherein the lower winding segment (21) comprises a lower winding root (211) and a lower winding tail (213) connected to the upper end of the insertion segment (1), and a lower winding transition portion (212) is disposed between the lower winding root (211) and the lower winding tail (213) for connecting the lower winding root and the lower winding tail; the winding upper section (22) comprises a winding upper root (221) which is connected with the lower end of the electric connection section (3) and is opposite to the winding lower root (211) and a winding upper tail (223) which is opposite to the winding lower tail (213) and is connected with the winding lower tail (213), and a winding upper transition part (222) for connecting the winding upper root (221) and the winding upper tail (223) is arranged between the winding upper root (221) and the winding upper tail (223).
7. The pin structure for micro-machine according to claim 6, wherein said wire winding lower root portion (211) and said wire winding lower tail portion (213) are disposed in parallel with respect to a horizontal plane, and said wire winding lower transition portion (212) is disposed in an inclined manner with respect to the horizontal plane.
8. The pin structure for micro-machine according to claim 7, wherein said wire winding lower transition portion (212) is disposed obliquely from wire winding lower root portion (211) to wire winding lower tail portion (213).
9. A pin structure for micro-machines according to claim 1, characterized in that the end of the plugging section (1) and/or the electrical connection section (3) is chamfered.
10. A method of assembling a micro-motor pin using the pin structure of claims 1-9, comprising the steps of:
a. straightening and cutting off a wire coil according to the length of a prefabricated contact pin to obtain a vertical wire section, wherein the lower part of the wire section is an insertion section (1), the middle part of the wire section is a winding section (2), and the upper part of the wire section is a winding section (3);
b. pre-inserting the insertion section (1) of the wire section into an insertion hole (110) on the winding framework (100), and reserving a wire loosening distance L;
c. bending the middle part of the wire section relative to the inserting section (1) to form a lower winding section (21), then bending the middle part of the wire section relative to the lower winding section (21) to detour to form an upper winding section (22), and then bending the upper part of the wire section relative to the upper winding section (22) to form an electric connection section (3) and enabling the central axis of the electric connection section (3) and the central axis of the inserting section (1) to be on the same axis or parallel;
d. winding an enameled wire on each winding segment (2), and carrying out tin immersion treatment;
e. each splicing section (1) is further inserted into a splicing hole (110) on the winding frame (100) to perform thread loosening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390550.XA CN115765264A (en) | 2022-11-08 | 2022-11-08 | Contact pin structure for micro motor and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211390550.XA CN115765264A (en) | 2022-11-08 | 2022-11-08 | Contact pin structure for micro motor and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115765264A true CN115765264A (en) | 2023-03-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211390550.XA Pending CN115765264A (en) | 2022-11-08 | 2022-11-08 | Contact pin structure for micro motor and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115765264A (en) |
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2022
- 2022-11-08 CN CN202211390550.XA patent/CN115765264A/en active Pending
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